Md Rafsan Mahmud<!-- --> - QA Engineer Portfolio | Road to Career
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Md Rafsan Mahmud

Md Rafsan Mahmud

Job Holder at Goama Pte Ltd

✨ Open to Work

👤 About

Software QA Engineer with hands-on experience in web and mobile platforms ensuring quality, reliability, and accuracy of applications.Skilled in designing and executing test cases, regression testing, API testing, and defect management. Proficient in Playwrightautomation, SDLC/ STLC processes, Jira, and JMeter, with experience validating edge cases, response accuracy, and system behavior.Focused on building scalable, maintainable test frameworks and committed to continuous growth in modern QA and SDET practices.

🧠 Technical Skills

Automation TestingManual TestingAPI TestingPerformance TestingRegression TestingSmoke TestingTest CasesJIRAAgilePlaywrightJavaJavaScriptPythonSeleniumREST APIPostmanJMeterGitHubHTMLCSS

💼 Experience

Goama Pte Ltd

Software QA EngineerFeb 2025 – Present

● Conduct end-to-end functional, regression, and API testing for web and mobile products to ensure stability and seamless user experience. ● Validate gamification features—including leaderboards, scoring logic, tournaments, payments, and reward systems—to maintain accuracy and reliability. ● Ensure smooth integration of Goama’s gamification modules into partner apps through detailed QA workflows. ● Identify, document, and track critical defects in Jira, supporting developers with clear replication steps and priority alignment. ● Maintain Jira boards to ensure proper task tracking, sprint visibility, and workflow accuracy across the team. ● Facilitate daily stand-up meetings and coordinate closely with developers and product teams for efficient sprint execution. ● Perform cross-device, compatibility, and localization testing for diverse markets. ● Improve QA efficiency through enhanced test documentation, reusable test suites, and structured regression processes.

📂 Projects

Dmoney API Testing with POSTMAN

This project presents a professional-grade API testing project for the Dmoney REST API, focusing on financial transaction operations like deposits, transfers, withdrawals, and balance inquiries. It includes a complete suite of manual and automated test cases, detailed issue reports, and documentation to demonstrate best practices in API quality assurance.

🔗 GitHub

Dmoney API Chaining with JMeter

This project demonstrates a robust API Chaining strategy using Apache JMeter, tailored for testing the Dmoney financial system. The test flow simulates a realistic chain of operations where: • An Admin logs in and generates a token (executed once) • Agents perform deposit transactions for customers • Customers send money to other customers • Customers make payments to merchants All actions are connected via dynamic data and token sharing, emulating real-life transaction flows in a fintech environment. The system uses CSV test data, JSON extractors, and response assertions to ensure the correctness and reliability of each chained request.

🔗 GitHub

Selenium-Based Web Form Automation Using Java

Designed and implemented an automated test script to validate a dynamic web registration form using Java and Selenium WebDriver. The project involved automating input fields, date pickers, dropdown selections, and checkbox interactions. Validated successful form submission through assertions and ensured reliability using structured test cases and reusable components.

🔗 GitHub

Playwright-E2E-Automation

End-to-end Playwright automation framework for an e-commerce application using JavaScript and Page Object Model (POM). Covers login, cart, sorting, and checkout flows with clean assertions and HTML reporting.

🔗 GitHub

🎓 Education

SSC

Shamsul Haque Khan School & College

2016

HSC

Government Science College

2018

Graduation

East West University - EWU

2023

📜 Certificate